Updated purchase string to include currency

Author: harunaka11037

lang/en/tool_paymentplugin.php

@@ -50,7 +50,7 @@
 
 // Purchase page.
 $string['purchasepagetitle'] = 'Purchase course';
-$string['purchasepagecourse'] = 'You are buying the course: "{$a->name}" for ${$a->cost}.';
+$string['purchasepagecourse'] = 'You are buying the course: "{$a->name}" for {$a->cost} {$a->currency}.';
 
 // Errors.
 $string['errorcoursecost'] = 'Please insert a valid number.';

purchase.php

@@ -56,12 +56,13 @@
 $courseinfo->name = format_string($course->fullname, true, array('context' => $context));
 $record = $DB->get_record('tool_paymentplugin_course', ['courseid' => $courseid]);
 $courseinfo->cost = $record->cost;
+$courseinfo->currency = strtoupper(get_config('tool_paymentplugin', 'currency'));
 echo get_string('purchasepagecourse', 'tool_paymentplugin', $courseinfo);
 
 // Display Payment Gateway Form.
 if (count(paymentgateway::get_all_enabled_gateway_objects()) != 0) {
     $paymentform = new tool_paymentplugin\form\purchase(new moodle_url(
-        '/admin/tool/paymentplugin/test_paypal_sdk.php',
+        '/admin/tool/paymentplugin/purchase.php',
         array('id' => $courseid)), array('id' => $courseid));
     $paymentform->display();
 } else {